Protein S Activity - LG5340


Sunquest Code:LSMISC  
Epic Code:LAB4909Epic Name:Send Outs Misc Test
Methodology:Clotting assay
CPT Code:85306
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 7-10 days.
Associated Links:

Specimen Collection and Processing for Coagulation Specimens



Collection Instructions

Specimen:Blood
Optimal Volume:2.7 mL (in 3 mL tube) - filled to fill line on the tube
Minimum\Peds Volume:1.8 mL (in 2 mL tube) - filled to fill line on the tube
Collection Instructions:Samples containing greater than 1 U/mL heparin may have artifactually elevated results. Patient should be off warfarin for at least 1 month before drawing sample.
Causes for Rejection:Overfilled or underfilled tubes. Specimen other than citrated plasma.


Processing and Shipping

Specimen Processing:See link to Specimen Collection and Processing for Coagulation Specimens for platelet-poor plasma. Aliquot 1 mL, 0.3 mL minimum.
Shipping Instructions:Ship on dry ice.
Test Performed at or Referral Lab Lab Sendouts  (Blood Center of Wisconsin)
Referral Lab number:1041


Click HERE to Report test errors or omissions.
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